Headphone



FIG. 1 is a first perspective view of a headphone showing the new design;

FIG. 2 is a second perspective view of the headphone;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is an enlarged view of part I of FIG. 1; and,

FIG. 10 is an enlarged view of part II of FIG. 1.

The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment; the broken lines form no part of the claimed design. 

CLAIM The ornamental designs for a headphone, as shown and described. 